{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x81acefc4d9a922c9784e4b0e066fb0a30e85291c25cc1ae21b7b0475b54c5567",
    "signature": "0x2525ca07292c699585208c3e96f3ce41f473b14faff21494842b713c5fd939266d42c62a1f1edf30b37b6e12008c21c802f489993e3ad626852e2c61388b7ebb1b",
    "signer": "0xb8Ec5EaeD406dC53B87a9547956bd04F64D02cf4",
    "userId": "360769471"
  }
}