{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140168",
    "entityType": "User",
    "nonce": "0x69e7950d0819329bcbd3980c30c3583d0f94288bdf2cc1ee431054193d700550",
    "signature": "0x0b812ef3e47a504f59aaed39ae5551aa26b6fcb65b765c52c09d853139c08f1c455e5870c1c92ada03471a09ad34ced47c4f5f38ba940145ff4e0a3569ba27691b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}