{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0x13e6d05e7261bc083a33033a65e2542395321ff487ae170edb33c59f2b447531",
    "signature": "0xfb5e715311c5dd9baee02d1146dc600cd30c9547cfafa6191f00bebc137f408b148ee1f5394a6dc6b0483c165abfe7fff98cff615b28f3571b24099bf32814681b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}