{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1579",
    "entityType": "User",
    "nonce": "0x426ff6db02477a99f4dc553c082e9b54d0a2cd1ab956b370f23079e5221517d9",
    "signature": "0xa0e040358ddf25ae53cfc02abd2b2a377d6ff935a20ee5e67e9e53132a98579810235e3cea87b8ee37d879469ae818e4559a1d9e1d4d3498bff8c7237f1a2cd11b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}