{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x2bc1506a8a2aafdc86cf08b2e3af1e126a8cedfac5305a40288c88c6bf260991",
    "signature": "0xada58296a63a584ba76d313f23d7503c75810bdd80b2ba3f9b92d0953ad09d111f62f2c35bf71984fef1c9778cb7b0168453aa094090471ac0709e7b0779f9641b",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}