{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77214",
    "entityType": "User",
    "nonce": "0xc8d9e44204c03dfa60a236d0e10505b1dd42fc69a3981d5f559b4a2e7b98f2a8",
    "signature": "0x343cc40f5d158f2a9e3424a53056ae6a30bfa5dfd6bce56a1a389d43abc90215350f916fe1fef8d1b9fbd1c69ef279cca2444587b7ff6273baf586280d99991d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}