{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55585",
    "entityType": "User",
    "nonce": "0x13c9f7ac222ac3b137d3a55e7982eda2a14c6d7db691691e4a0dfce5fc69f1f6",
    "signature": "0x6f1b8f04785e963bc4a4e83a25daa545d80f4d51125e3f8f2066bf617636fde21e36cd20775cb0103e4c8e086dbcb81189bf983bb923938363aa3a5fefd07a4a1c",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}