{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174576",
    "entityType": "User",
    "nonce": "0x0469b7a1df1abec36fb4b543a1fdf2fed4703e8869b2b1bcfce639fae00eaaca",
    "signature": "0x398a4dbf378153c2c86cbbf78c957d495a69bea5571eb9274a6aa5629ecf4f0f4fdf58efb0158eac3f2d9ecb37c43039f711af857a892533d1b480a3dd543c261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}