{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11220348",
    "entityType": "User",
    "nonce": "0x9b7ec3100df68d156a1705a647d0059f485b090ead763ecf5c83aff062ccefb2",
    "signature": "0x6edb159072521fb9d22c98ce9de0e3f800df14cbce3e27bcad03835d7cde0d65424936769eff534cb294b416ab816f2156a42415639f4d4c1ce8841a5f0b2f841c",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}