{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10",
    "entityType": "User",
    "nonce": "0x510c9bdede710512cd497592aa8569290e279237d4b8641d0a7be4e8990e12d6",
    "signature": "0x924b403455238f483dc1e2fd5cf79ddcf66a0e2e3fa8574fbd603a98db99ccd87475e1b57978a0f5c95d529e16d1efbe730d95721c758b2ca50585869b7028ca1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}