{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6327",
    "entityType": "User",
    "nonce": "0xabf747f9eaa4a99bba498a27fffd85d021c0dbc9437959129a10f9a013a8dbfe",
    "signature": "0x2a9b885feaf187983dd51927fe8817de04e461da6f0f41a4dcb0b4e9a0b9962b0f8371921be257d961887c82feb87fb84583943f487a8646c8545284e89eae3d1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}