{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x3d27cc00494c877190f4050f0b2b082b8ab963cede0b2bb6a3a90910bb9a65a7",
    "signature": "0x3933df3c2aba7e7f8dce1294bc5dc7eefe5f9ee2297116e3633f1c89700c0bcc40d879626eda139ec9f5cd4fa96ec06fb15efd9b9071eb4daaf5056a9931e24f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}