{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xc5d9ea860de557e837cae4113e2acb0d742c7add1dd9a09471dcc138b471034d",
    "signature": "0x2edc51a55eacb1e1557818154a00ae2100b762fa15ea09fb6b6a0783a6f998a34a5537b071de55d625f506c0aaf2209059683d34e3b3e75f645dba99e05389da1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}