{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102126",
    "entityType": "User",
    "nonce": "0x46666a4d6134551451f470ee210dc031f3b38d9889aece3b606897c60a0ab871",
    "signature": "0xd920a371dcddef8cc7ff97e06e5107f671531b97daf42ea58e3ba25166956efe699f3ea3eaa9d291739fdd6705b7a2b89cb561ab34063330c7ab5c5bc9f6d2081b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}