{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14042",
    "entityType": "User",
    "nonce": "0x7b787d53147bc0123b0d1bfd780966ba247586dbefe01e25769070259baaba79",
    "signature": "0x10826ec3edfed1b4be9d7cd170d9fddb71574ce32b370b1df051acef0368b45e161ea4939a838425fb9f9483acbfc7796dd22ba884fb31eabb1c6e0dd12391291b",
    "signer": "0x9a5c768De106BE48C39290B55c20D8C5D6A7f6bA",
    "userId": "539482786"
  }
}