{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf1bd30a5dcba052c6e966d5c925057778ee682a33b299336c266fbe8c1461f86",
    "signature": "0x5a5fd8d0735193652f39482e1b9400273028bd222152f029d38126c45ea6bd8528a64c620c1a069b45c39d1e7070f62acc3c7f68acfa3cdb86feef83bbecbd9e1c",
    "signer": "0xbA3b8b40E01e91bCCC95B282Ac3C7296EBFdf5FC",
    "userId": "457584438"
  }
}