{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "709077025",
    "entityType": "User",
    "nonce": "0x2e98da34022c67d1bfd02fcc1998bea7f901e41c6a596efbee21247dfab334ed",
    "signature": "0xbde3775a2124cb3214c2dac1335e835b2b88bf17164590ee0024753b86f5dbb4575b59ca0c07195b20b5a882453bd6111ac77fe8e38ddf7e1c59d027cb4f0bde1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}