{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276161",
    "entityType": "User",
    "nonce": "0xe9a0509883db3a15a1899b5a75c2d3edd7cbd300d9bda1896ae3d6944dd452d4",
    "signature": "0xa931938d355157ff9b9d4afee54d988d754a7d4f6a8acd4357030e6834e64f787fb92c74830a4e77f5ba44d31f3c695f23b8ab949fa744d8e063da92524088b41b",
    "signer": "0x6C52E7Fd64a3d9a1ab6DA7E86C8a76E71A317766",
    "userId": "478940586"
  }
}