{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "390966",
    "entityType": "User",
    "nonce": "0x483e63d8fbf481d544eadd5e4e82d35bae238c832d7b319df79846a50c54c582",
    "signature": "0xff1687f46b092df6972d9c0bb58f4e39f5215fbacd0cfd1b8756e2446f39c0b263dde4b5bfa24dbc4ae54a9b9c09442c5260b4081c2df0b68b787f80a52d58b61c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}