{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188359",
    "entityType": "User",
    "nonce": "0xb86d94d5829153cd19e1038a465c2f3db106cdbc585b9f2b96e51a185706e98d",
    "signature": "0xbfe58533ff642c7f20680d42119108c24923423abc5b2ab609dfc0fcb365f7bf6deba5cccf1a48cbd84efd8adefd5921956485f26ac1aa98b2c4f784d8e407411b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}