{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x116f24a5310cd8c0b799c0cc150b4bae9206afcac9009b4eb11abeb632377aa5",
    "signature": "0xc0cee0bbb5ac6ac09c2016c78157ceeca1f8f863276a46f470c0345ce1f843a033b20b04aa01d5e82803ff4ccb2bae0cfaad6678cc4c001d06f8204cb9228a1d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}