{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1137",
    "entityType": "User",
    "nonce": "0x9eaa822756a834cfdb0437bc10b9e4c607f8852d89e77a9c0f623c324c823300",
    "signature": "0x85710aa4095c5f98418432837cab3656a4c2bf600069a0c699bcc091d2c771322be517b0f43e5be61a495aa28af377b6827b249638c2b8c181509e83199886421c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}