{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xde0466334eacaade40baf2d75d07ef3b816e2462a30847304fe743ee48a63a51",
    "signature": "0xca9361df85f192e7fe1d869a9d4185359c9b1be16033dfa3530c37567378c12c6ce2070dfb2093f4c4b58c12f19cd718d5e1870a5dd7c2df1c2fd2dc364a35e31b",
    "signer": "0xB874f4621c8c59121feacEaD49e379Baa95ebC5b",
    "userId": "480497000"
  }
}