{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171246",
    "entityType": "User",
    "nonce": "0x2bf1a6f2652eefd5c4b94a4ae2968663eff1e0b6549017a09c16158e167d2eaa",
    "signature": "0x5f5af475b265633469aae33e4cb3f5c1e1dce9b702e1401c464709dab6b1465d3ab420cc56ace63a9fabfede26d12e209943da512162ac33df97dab9a3ff11631c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}