{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141830",
    "entityType": "User",
    "nonce": "0x09fd452a24897e2088543dfd96db7c37942fc1426820de7762ba6b78663749f2",
    "signature": "0x9d924ec961a1ac9dee52b729dd33edafd3272683b4c23871eb348f56f0ae21584c3c94e7c2f681a35765ab57f91142f66071a88f0d0a8a9ac8b8f43451da5e9c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}