{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5059a5841dc7f8459f68197536efaa856cc564c492e309781701d9195649f6a0",
    "signature": "0x2d0ece5c02829806fbf1cda9e6beb3dbaae3d2ba0653566a0275ff27ab2150631c0d924e5920b10fb2eaca3e3f414add36fc430ed0e3b954c926a235c65e434f1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}