{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x1c90fbc395d0da6515c3d27ff1111bd6a01d9e802e8849472c55ea39c0346521",
    "signature": "0x32b6dfd4e0815fa6d1f854afe3dcc5a733b4324102e4b125efaa75108b6fb95e600210c831f567d4273e8db23cc2b70da5284a0f21da9b8466450ea6e409f6d11b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}