{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109089",
    "entityType": "User",
    "nonce": "0x7dff2444fcaaa73a15307f1b635f75bc41690a962c4a5018de5f984ae031eaaf",
    "signature": "0x3ea95a9d9df847f124ade062b415dd494ea271ce9f0cdf406d3f2ed6119c4d3a55a254c9d648bb185f73b3259e081d8ab6b00d091542ff7cdee48981798ced1d1b",
    "signer": "0x2B4Cb793d60f1A482873aC5cd541E6151143Bc51",
    "userId": "398345"
  }
}