{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x1452f17ee253aa000d32a4c86f93c43e0c152eace6e289517eda2bd9dcb330ed",
    "signature": "0x49b43c800ce4643ef1039421362f48e97b088a2578426c4323a71d3782c70fef2b562729ed8ed7efab3ef7307471b015a81dc51c047bbdebf5c4738efe6a770a1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}