{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0xd1f7c75a7c6d507101aab5ac4684c650f78d4796104d26e6232c2f97f0810d34",
    "signature": "0x9c5f804017f9abd3e62ae791e38ca5bb5154a8c9ae7a8a45cff1f4137c9088880c62018eac165dc64ce756b4bd7fb22d4c1dab012a3d1bcb8dbf02cec4d100ca1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}