{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x50841ea0d9ed8f53fab7b3e4f502966d6f02da3613e7554d36dff8572dfd3ece",
    "signature": "0x5bcd52673998e1c732a8cfd1604d1981c73406664fdecbf8850ab447930f9e795e01bf73d46127b4ec6e6d6f00d7fb18cdbbe4de40518aec6bbff50343f3f2f51c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}