{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71456",
    "entityType": "User",
    "nonce": "0xf149d425ced67ad44bf229c192d59e96ab1eb0126cad2d0b4b58e3973f030370",
    "signature": "0x9f50a72197bfa357a6d5a0ee1a8be41d82601d518f52a157ea2a5e7cc35680a750fca4003ede06e19fca741673ed56d6bdc51d133494212977845413169c86561b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}