{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103994",
    "entityType": "User",
    "nonce": "0x78c980e632542bcc86ebcbc6d50472ff775813fbdcddbcf0bc885cdba278ec29",
    "signature": "0x8bb8499bf99c64513bfd897f587384703e96b102c7ebfc2be1a70d9c7fb5156121b00f7fff9487e788202eab1e9661e2910be3f941a980f8b76d31219acb09861b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}