{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5719",
    "entityType": "User",
    "nonce": "0xa6ca15493ceb30e30f3a8d61fa87eb9e0ec2e666c755fd98cf4cd31c2916251f",
    "signature": "0x0134bf9d3db61d2f38633fa985d7764667bc49eff575e27cdf78dfefdd9dacab6532c7befa3223e6a501cd259a0a66200a0b831c73e8848ef5d2d72ba19934121c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}