{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85349",
    "entityType": "User",
    "nonce": "0xf3fb8450e58578fe3d2e807a6f6cd16e0679f5dcdec9d018eae96e5f7f6dc8c9",
    "signature": "0x5890471b48a5634a23e891c952d524e94a353d483e19b0b64821d76cd065e94a19b1c3316186c7a7face29469fd769c89d8f2450e357507a0fe238acd999e5041b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}