{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6b1b59b6c2a82fc61e4a991ad43da2dbe5d4dfa8f4d145850e0c49ebae5efe97",
    "signature": "0xe8ab8120e20603947b94b9d2fb2b1950605f8090269101dee67f5e0ee46de75740034d1372ff91ec39a7ff1e3ee8064b87a5d66b9323410b159468ff7ef032bd1c",
    "signer": "0x939D38Db4a8fa2AfbC89b397e2FA7419d724138E",
    "userId": "36494573"
  }
}