{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88194",
    "entityType": "User",
    "nonce": "0x8ff7cb598068e95029913dd3d0d98515f7adb1e8288ecc2f4e8cfd4a5af41a0d",
    "signature": "0x6fd358073fe4c36afdaff00cb49bc562667b3ad0cc3309d6cab3a1a1a3cc7b1f1e3b8a29daa0e72da5374b3d5c59df91be8735860db06909f0bf6d7a4168f6d21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}