{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302848",
    "entityType": "User",
    "nonce": "0x61bfe723d6633ff6a5bf3f58f45f843bede6e67febf0001d03ad81e39912f4a4",
    "signature": "0x8ca7785bcea66847da2dcf9ecf5791d074e453eddd6ce52541031e80af689fca389d265bfa90ad1ad9555980352a12eb2479fccad3814d3adcb7ad028dd8e7af1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}