{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15343",
    "entityType": "User",
    "nonce": "0x3babb586d70dc4b317f5b00267de37240852b29a2e9f0416b72e656fe0704bcd",
    "signature": "0x99238161a6029c99cbb876fb3d1ca669dcada9bfcd5832821675876f03f5ef042b3f31040f8751dc3b56e23368586b0e5a59d5b98f597d60bc3016357172b13c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}