{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "251067",
    "entityType": "User",
    "nonce": "0x55d0fb18cdf7e7120335104b0c2fb3555f498bf174b71c2d66e77431c3e466b4",
    "signature": "0x1b784322286d4a6ff3a8ba41db5d870e73e577eb063f9cb64c9a0b225f17c72459e692177ee488568a4c394c461c7abba224abf9998f5e00b936ef49dd998eba1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}