{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44",
    "entityType": "User",
    "nonce": "0x40765682075a3b5e52d859e95d4e142049788365dd7c6c4ad8ad3923f8d5a475",
    "signature": "0xd5cb5586411925583478b9c03818e264dea6c27e4b4f8e2a59b0d05af618ed4e694e8e0a3751ee4c64177aefc5cf32cc299294cbe95b5d1b01b6b67409ce228d1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}