{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1408945",
    "entityType": "User",
    "nonce": "0xd1a85e00b8977be25db128ae60f4a3f7d4b8a60019342d929d609ba005fcc391",
    "signature": "0x6f01636dc1f1d130487b1756d660d878a66400aa68df80416451666d559cfb30313d6f5185bbb61d90a2e72e7a0a700aa39f27a91575e996cc2762d4283ed0321b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}