{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9fb94f8801157b96a87c71a0f0bb1b028f2d3ecbcb3bf0d7ba618cddc3c69e53",
    "signature": "0x312570f5245350d0559030ec39510233381bc1e89e31b5e14b740258583bd83d6de3c01f01b9bfd3391971d4c68f4913bcbab743cb7d4c85675d6db487027c1b1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}