{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x470169872ec82f7fa805478a31610161c35517f5787bc098936a1b82e398a8f1",
    "signature": "0x76f3c71ebd94b78556f44b4385d7397a4b7216f82d9e03d0b68a4ef4f34b90d042062de2bd3f001797469a7fa1137e90a2ff04231eff42df33d7d80a2b13a6d81c",
    "signer": "0xa0ac09e24A8250b0177593dD9e51C41452dC6D56",
    "userId": "613767949"
  }
}