{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x07318fdd6d40b7d181e57689274430bd798494502699f22ce4b8adcea8b1b484",
    "signature": "0x9e48b2e0a7a2560f6109ee7bef539d357b1cc5887eda4152e5a4e5d440777e9704eec233cf32fb11d7f7d533b1750132c30c5b32acb3169e9d68bddc59cc71fb1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}