{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0x23b80f0d8388626c070fd4063e95057a3440d5f74922e1f073b8c1ba3f482da8",
    "signature": "0x3c228e9eb74b21acb5becef87c2825f1f9ee1730f2d3501fade6ee58e95c7a904b8079b2b912f23d2137def4c214a3b0f4c1482d7f8f32615ec03880118b40131c",
    "signer": "0x5B83E7748cF8e414B76B16e39d629AA8deDB4616",
    "userId": "604013128"
  }
}