{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa27f348ddabb8c63aac5f8d2b66ff5ef2ae039c9ccc2a8029df9980b2f0cc028",
    "signature": "0x0bf48cd97249f740a1aec91ead87e849904e649c7875d2328ff56bfa8d81d3a024c83c791356752b1738ad48523f5afd1df9a97f195e94317ad74a0c5be5d89d1c",
    "signer": "0x5FBaAf06470458DB41014d0A34df8b0170ED0351",
    "userId": "760799453"
  }
}