{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf4146cf46eadee18f0e1f8863a578333f1815b9c7e895a2033352a7a03eb3f04",
    "signature": "0xd8ccfba9fab543416ded1192c822e4b325cc554db70112afc0b8ecf5ffbbcd153c8e054442c6b6a2b66acf10abb9772adf142bd837494a88e330c179ef38fc621b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}