{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72752",
    "entityType": "User",
    "nonce": "0xf3794b3c88c18f3a052fb600eb6e6e15009f91859816306ba6645c37d37accce",
    "signature": "0xba49e70f12c81899456fd607abeae4f8bad43492bcf8a58613972ade46a9738044fb6003526c1a703d71cbc91283558c854ba487da3c32d48c9542d460328dfd1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}