{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x9ee069059e0d2a745b72ec7fe17891560a884baee156c100256fb1f057bb2412",
    "signature": "0xd62aba12e3611085eec3eb592f89e5749c6249d1ac68e435166311ebd11329aa1b137486962ba93c6aa93af9db10c888c32ddbcf1f56e9a53785daf7cb1ee5971c",
    "signer": "0x04466826b559ff734EAe9491Bf4C1a3c2fFBA6a8",
    "userId": "272534777"
  }
}