{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11153747",
    "entityType": "User",
    "nonce": "0x9208ad70d0f07276293680bb208b236b12888df36322cbb853bd2f7e7dc7c00b",
    "signature": "0xe65a707d6cdcfd3d5211771cfb0db621afa8c47731ff2b45d0c7818da36190236cc3300502153a281f391fa03d9602aaf6c62d5a0ab6bf7b31f648ba3d50f57b1b",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}