{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1c16eff2f55a1a2816111588c057585b0154e4069b8623a06f0f373ceeb79b13",
    "signature": "0x58e2199683c8b7d1cb3d866d71db5d4a6814b6665bdab9904ed5127338304dbd26ca1e8c4c55286b579215944ca5d003fb4aa66c1aabb2676fad36576cce9e2b1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}