{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155033",
    "entityType": "User",
    "nonce": "0x063d533136b2f6453fb8426a23be4aadeaff899af3583b9db1fab52496d4e93c",
    "signature": "0xa0e037a5b2247b4135573aa79c0bff7bf5c955eba906cdf8dd0019fd4c2be9a133d2c3da461665947a3e6967faa873ba37e81679df6ae205d34c8ea431dace521c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}