{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112855",
    "entityType": "User",
    "nonce": "0xc0b3582f3990b16606a7a7aeab49184d8034b74a147fdd8c5aab13b40d69eb65",
    "signature": "0x812d6e0546ec5e2b9bb9112ee87ebdd13ec2e07c6eaae54742021b4bb1ebf202619fcdb97e6e071855303d5368d398eb9b60bfc8fa78fe759a736ff2e138c0171b",
    "signer": "0x12EaF77464824447aA995e75Dd707B3e5246be9C",
    "userId": "409175645"
  }
}