{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x565e5313aa250b75d72b0a6b8424ea46174affffe6028965aa706899dcc51c79",
    "signature": "0x2d62db88aeb769733a8b0e21479f9ab20771f8b2ea5cdd77671153eb6c6f81a81e80923a21b6f88086a1819830cf3994195de9f03db43c9f19dfe81265b0fb321b",
    "signer": "0x9de29362DF595E6949CaA2820c5c28c3D6b0CEe1",
    "userId": "857551474"
  }
}