{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67483",
    "entityType": "User",
    "nonce": "0xbbe7b9fcaa9d170ccf0c3c5f680bd0d72179e367dd5d7e95f66e4d165072f31e",
    "signature": "0x1f9e6dc60330e8989f84df59868d40000a1e2f4b1be8ebe16238e2e85fb50c6620d1878de57ef186d836735059a489869df085fb39a00291f685c48a3989ae521b",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}