{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105398",
    "entityType": "User",
    "nonce": "0xe3e23d99024f1df46f7213317f7081d72cbc20268538a59bb45e0306f2695b33",
    "signature": "0x5334c3b75b4a951f2efc7e813be749677f59c184f7c240e762a98e0cd6e524624676e1962664be7d8bf453af495902924751a813c156892958b84d9cbc5e93281b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}