{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x15cae32f7dc9282b279f89d150408d8ccd47dab3cdfb3d7ffab43646f96cfb9d",
    "signature": "0xef2215bf3ad6f9e3c9dbf580ba9f4d224655770c47496953dc3dbe6b2309f9950c8e32e995faa48ccfb638a2f64561c4ecd86a653b8f4cf11a4c5729c8f902b51b",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}