{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x1b547da94a11925cc33e6a3c7019d2e37cc9672c80552f8f97ea2de385dc0261",
    "signature": "0x5a1145a378a04771be7d4a4d05f07e708620f475de43ef60c8b28fe290089afd25b76c26f7b4a21b85afb1bbf92ff05117841761bf9d9e43a0c92841fe2461e31c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}