{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x144d939b78e03381a45bf33cb457095c4b067bb60ba4e7f41d4c1be3cece4d1d",
    "signature": "0x04beb80cfe005519686abca3238bfda2094c8fb6739baf6424042a7b971267fb1e9d070ccefe9476f5296744616139b9e875926441c4e55ee54d74e348c456561c",
    "signer": "0x82aB65F7E38B6aE4C5E02ef2F454b5C2F69Decf0",
    "userId": "44783513"
  }
}