{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xed89a0d90b8046b99c18e2589cbd4e3442b5d583ce738ab99efb8079e3648dc7",
    "signature": "0xdd0f6e09403982cc7b706d87cc37e39d954bc42bff876eb4bbef1868c60a6ae70d1e73d5ad773928eec535ecb685ceb2362373d30719fc3c667cb60de6ec28241c",
    "signer": "0xe5F8de0eEb1c50b6f4a2f6070DB79ff97eD3fE77",
    "userId": "435903624"
  }
}