{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x9a4c7c712c60cfda05e5c86a8961c5a4210646589d6f883706b4923bd5d60a42",
    "signature": "0x976f417e8bfcb9323a2f5fc52ef56d71a7a62156b415f84ba54b88e4a35354b911066b7c41fa304ea71a0ab538da21610f80430c2c6eea480e296307a6f42f001b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}