{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57180",
    "entityType": "User",
    "nonce": "0x59c71b82a708f01f6b6879e66293079762511b957f939f6941fabfa7ede4d3d0",
    "signature": "0x3e992389b66d2c2e10495c84e7091f8e65de3300ed4bec0aef6531b091ee4b1757cfa280933eb6fdf0161ef510d5883136c7332e6dbbe87c819a252d7eb9cef61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}