{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10268",
    "entityType": "User",
    "nonce": "0xca722cb8c0986dc732dd5f41e62b6397fcc031ddcb57b34c9ef9dd2cec3713ee",
    "signature": "0x23813b145fa2276f5f59eba44b5deb94284e3738bcfd65353a3f888f28921f1560b1d1c15bc94a7ec95e48ea2512e83e2faf267b5a6fad249cac169b4c7df0901b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}