{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122472",
    "entityType": "User",
    "nonce": "0xa82db009953b96cbecaa5cca5af762dd23af14b8c9c59a27d31bc5e5606919e6",
    "signature": "0x9ace149790eb43f9414faa7aaf9ed909bed921608065ee9962284d226f0fd8254a61f81fd5e3fa420298babc2b8e81cde9e9f6b2b93a92122accf28a693ef9c01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}