{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x9eac1f8f34ed1a0b69c1134b50e94866c3e40d9b89d9b4d2b7aa6cb9104ec8c9",
    "signature": "0xba8527f6861ba17676e78358ff7c552cf3a1a296f7a8228e85950db010d8b61c1cccaf77924a654782be03fdf0c1d44510e84093c73bec66241f209be81309291c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}