{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0xcd95e0ebb19d05041e1e13466295417d95d71704a2c1c83908ec457b1cb6f852",
    "signature": "0xc9bbacee5a36e5b8a45836d874fbf6fc900f05f3086ae82a9ed4c4db610c205364889aa41c722e636b6ec04e715e242fda8744798beaa0c9335ac4069d6490661b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}