{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1307476",
    "entityType": "User",
    "nonce": "0x6577a0ef31d842a26431befbca991f010fc768aa029367d3dfe2fcf4ed6ee932",
    "signature": "0x0cbc968fe0a0808843145077eb94567fed25ca59707ceeb8ad02312913568d9f78b7dba32f207dd0c6006dfb15dfc2a78f0be642cf49c5affb36391f64e773601c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}