{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0xcff36bb35e2981233eed6426c28013c5181916dcb905f17bddbbbdb562b3214a",
    "signature": "0x047a0fbce62a8936ee8f0b4afa695ff5c0bd41138242e253048d29b1881b87cf140b0c2d145fc4f863f4cd4a8b65b13c93373ec560495fb3fa5f3a9c4c8d45a01b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}