{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1212434",
    "entityType": "User",
    "nonce": "0x3abe71795de2de2a365ecc462ba45cbe28f79897a722b0dda56aecf1e1890af2",
    "signature": "0x7c8bb02f4369092c879e788a8ec298dbc1112b391eaaad1e1fcf09b50da892c13493af7036c5884a370cd0a255924827a56827700e60b00b216aea8fb56490a41b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}