{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56120",
    "entityType": "User",
    "nonce": "0x334da6aa81906c698279d3efc49098f59090c6738bee8b49152963d2f91686d8",
    "signature": "0x635023a7b3ae8130220a74584dc8797b7623fbe326867ce8a87998ec638dac604239ff662b68b769b6105e8645c827d8acb17c97985b3d7d3e30e885f52d2ffe1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}