{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "492629382",
    "entityType": "User",
    "nonce": "0x4e88d0b0c4d91acadc16b00e3829efb2c662787a9d3af6dc321662a5505a9ba2",
    "signature": "0x0d0e9db024f15c7b5b57d2e6a5d3e131b2681efb2a3d11751d6e3abb8a8014a66de979438fa7f07ff4cd1ea5089daa22076cba8066f3bdc27ae706280fdb25fe1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}