{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231650",
    "entityType": "User",
    "nonce": "0x20b43c9a9535cf3ad9970d2187a89f0c2446317801979642f90d261f11e3159f",
    "signature": "0x3aecc5ee81832f24430f4dc942d3b6cde3339709fb0183072a87936db3c7f78f76888fec02e4a6a5a21352fff46939e31ec3222a383b584b47dd6f5b75a711901b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}