{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1593677cf2ab338f766d4fbde0716d8d4ca59dc11fff772519d3b68661ddce1f",
    "signature": "0x38ed74114d1d558c688424e5925dad54d6ee2ada0422ba725e650b5cfebdc4d35091cf3cd536381e9e30ca7e626788b4bde8db58fdd29657f41b6c4e663433d71c",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}