{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233761",
    "entityType": "User",
    "nonce": "0xe37dcc9b60ea39078ff71a2bac1d4e9f14f32fb61db7278e79b9bd841b2a2e5d",
    "signature": "0xc1f58e38de4016155e1f71a22f06eb0cb5770592182b7c05f458ed84089248005e0060f7b359099805f33fcdfb2cd5782f1c4a58a082f81de4b772e1aeb3959d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}