{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55243",
    "entityType": "User",
    "nonce": "0x79a7b88e40a1753446cf18181b74532250deb7d9b9f2827293275b45c473b69f",
    "signature": "0x2f0f618466365ae3be231f36e975db301c0666ab5cc9a0750a56e9bd6d706832517f117978b10993ba92525d96a1490e1b03568784f4d23571ef7d69ea8fb5541c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}