{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x0e9072946b7c2c87712a3d022975ba2d057f996c61cda0e161abb2b11dc5ee32",
    "signature": "0x45ede6027c55ae8e95fca56b283f182a54dbd62d4cc2ef01421fbef5b45f3cb8409dce78c8a58c8c880efc47ee111e63b4e12eb27b33b94aecccf2810d099c3f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}