{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x35c398499ed96ec3606e8ee40e2c7e8cc0f0a21d3fefe1e5bca90312095f6e26",
    "signature": "0x87b9331aa0b64b5f5ffc0dc259a01e4ca3d1501fa842e9e093116f93cf9f8db730b0f90378a9cd93dd68fd2d54750412c743f9aa319dc01d9f0955cea03369561c",
    "signer": "0xE4c0c73a0c0CD7f65f1bE942f8127c8753aB89D9",
    "userId": "857284925"
  }
}