{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237051807",
    "entityType": "User",
    "nonce": "0x6e4e55094b6f412cf02cf65b961b4761a487c89343bdd89bd548ca2f5643585e",
    "signature": "0xbf4aa68db886637e64e5efe1b02b7242cafa4902a0ba746c6a01a2cf44ee8d9247da07260fca3afadb35ca8ef777a88af9c45841faf3eccb87b2ba936a5aa9861c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}