{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280558715",
    "entityType": "User",
    "nonce": "0x5dab4ac2eb2cc2afb14a11b1b96f0582fd8f3e817db18c3f22781d0fc5ede334",
    "signature": "0x62110e571b4f97d415fae1706929c373f8cbf159839ec171514952e474faf49e7dbd139cf03f5a627994592d88ecda192ff4c7c5d5639c55c8392352556e93e91b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}