{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0x5a883844d1793b451c501c71fbd2442eac2bf42cde477b1dbd7c12b871ab549e",
    "signature": "0x801a939c52449f00ef9002ffcbf60986c703bf5aa47594b2bb3175b1daae471e2c2206624872b25c58bc6349d9a9c7a80ed8db9255b4d81845a047b6932f37e31c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}