{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1886054",
    "entityType": "User",
    "nonce": "0x6725ae5b30a4fb35074bfe938abac92452c904eaee78f92b3b22d97588a5a9ba",
    "signature": "0xa00ebb349d4c239f92cacfd512edde99eb7dd7873a0648e6519f663c0a0cac4807b53d952e9d41e06c13962a33b3d16e2a83c32ce28ecce0b39955a2489bfc071b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}