{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100403",
    "entityType": "User",
    "nonce": "0xaee87bc98f9086c7b7284dbcf09fc59095504a5c630f3bc0c17bec940b0c1a5d",
    "signature": "0xe06a0d78ab93fbf760095ba34569376a7ba26551fea67edee2ef409f8a5a30fc7ea4a8f628b5bf4f5c12698589de459b7e61225ad488b385126d319c4a6ed53a1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}