{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x941bb083145763b6bec1a6e8da47cadef508a849f613a7f569f4caa3b6c689ea",
    "signature": "0x1917097579dc330bc34d4fecb604e7e5ab66f317d5e5df58777bf442ab3cf56b66938e7452e4e5b68b3246e6994cade0da3baf9904193e91828accc1ab376f2f1c",
    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
    "userId": "875856435"
  }
}