{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x9231e4ad58a9649da283d260d4fe5a43c36c517186b83875bea51a714ee8e9c0",
    "signature": "0x1a5e1d35fe5d69315c875b4695e715298f54dfe87cf12c030ee0eebc3faccb3b514759603b61cf88cda912e3e9c2166db7e85fb7d41b017a391bde519e698aab1c",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}