{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ffb3e12c7bb21e75225ff9ba053a8391dac3182136e9a4e91613935169af3ad",
    "signature": "0x08abc902aa05b3abe39cd7c6293fe32eba98e827aa0244d9b690640192ce93f47c3009e61b8d0f2cb019ae3aea1e6c29bc3a65af68b1b4f2fd821431a90799711b",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}