{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x824589098a42f200b6251cc0bd878ffce08447cff6e0051b3eca36818e9a858c",
    "signature": "0x71d5346a456e4357f716f15e68855337e309796b4336ea2c8d2ae805842e7bea517d7721025ebfc1948d78e38cb6b2bfd10a85965c2d0c037bb86173c1d6ce9f1c",
    "signer": "0xac1bbC4a7f3145F59532C9E32928845B71c3FB63",
    "userId": "246884598"
  }
}