{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xc97320145411a855df8115cd0ff68a5201d568317e252de82693ffdcf39fc407",
    "signature": "0xbc1cb78664829e5a6034c7e9920dcf9c515e68f2f91a0485c1bd463afd20db1b01994781d5355680d56dddc14b2fb54838108eee8b3e8f40a3f405adf41794c31c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}