{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796768016",
    "entityType": "User",
    "nonce": "0xfebd766bf817fd6f69b8d992eed2723e72ed40dadb3a7a2f9ac6bf9dd9248098",
    "signature": "0x126391d4ee6b370d4c3599ab2ba3528a75f4664d9210692d62d901d579258c0d386d9aea57131ebccd536a42b71e85ca6297d89d78c29ffb073007aa42b8d0d31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}