{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x9a6cfb27ff134305d67673e37d92a8dae0c82c4b81dcd7eb1ff25ef9756c7ebb",
    "signature": "0xb3eb2504c04eb157522b173e32860f970d2acc09f66244ab4e87c5e8fd56f235799d098b73eb203c363d043ae501151c4ebb2eb6ad98d6efe664620f646d14431c",
    "signer": "0x61d5f943Ff590F4D8d843bd8E5d34816513DE0De",
    "userId": "500234778"
  }
}