{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341195",
    "entityType": "User",
    "nonce": "0xb2660d939a02510a3757b54653c51596b63dbbef229121dd3a41183ebb43d627",
    "signature": "0x1985f637d63632efbb7976f16afe0138946414ff4d88268147e9d7c13fe6564f41f7b2f6d357f732d5dcc96ec616a1a554e3f1748778689f2cd28572042a7e5b1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}