{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1112c88d6586642a20c56c9028b0ab8ad1f1546643bd0862ca9611963c6100d",
    "signature": "0xd740ba95338e5faff90d2ca0d428185f0dd38f463c5bfed976a6bd02e3917c3a4f49843db335178110385f84f2052456c264c2c24d9d618d7b7e16eabb6e48e51b",
    "signer": "0xd03b6a2Fa431A51bC0f887e04f02D65263C78459",
    "userId": "695986431"
  }
}