{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127394",
    "entityType": "User",
    "nonce": "0x7014706b9818dd307fd8318dea52cca8f150e7f9e16f5164b6087f5c092240df",
    "signature": "0x87910fb6b5e4e46d87a7ebd605444f67c4bc3a570be87efb8b2cb853d71e02711716d0e2a685d7657cc91642c2b2919bdfe6fe5eb918f80f98e4c26e1e1941641b",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}