{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "983929139",
    "entityType": "User",
    "nonce": "0xc6f3bc58746fea1320400d04a6d444146dc8da1b939f2cba4e1646da7a48aa0e",
    "signature": "0xd531407900dd10fb726c34f77b10d43fac0206599c294c77f43903a4d94cd40d57e8e723a926856867b3e6f0cfaca4ecbd28cd8f80ee1caa1882e636951066ee1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}