{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa04aa8a2a27d102d323f7eb376e0e77240eab06ac7168dfd970aaf3cb720da8d",
    "signature": "0xd921d275bf4a3a108a3cef7e70c3138d6bb83d167af0402b15a900bf7ff236a1215e9acde5d8901d022b53b5757100b6439c662ac295577174cd1658033ba8721c",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}