{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54547",
    "entityType": "User",
    "nonce": "0x22983776a168e5ee9189afddd878ff399859926231f3591f7d191468b31a28ef",
    "signature": "0xc474c6556d8a76278960cdbdd253260df4df7bddfdfb70f14addc48198a8fa1423de4f3460ba44beeae2c06aa61968bd3a08fa82651904b16bfe9d606aaf64871c",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}