{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "788734",
    "entityType": "User",
    "nonce": "0xa3edd7f9e3a0cd5153c413d30283e978893e20d7d955d5c9ab0094cfb82890e8",
    "signature": "0xdfcad4c0c7c2d3a5a26555db9dbd1d9de06d239aa45c12fe93655509fdfd307b7bd8367e0d1b2f881e102908a49ceff632e5ba0ad465e776afaf8687a07e6df81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}