{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66763601",
    "entityType": "User",
    "nonce": "0xb71d32fb4e1952928f7c130373947e0bd8de4b83f11784ff6486a69f28c114f3",
    "signature": "0x3c53325a181f2115b1a2686e013d3f5633627969b555a95ff579b6d40fc4e2631cdedb060414d4d46b35916ab9b6f759968d83f6f7dde7836f44aa1c23b1efcf1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}