{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136781",
    "entityType": "User",
    "nonce": "0x212fdcbac46270d3d00fc7f61561750083c9caef1576e766ad6946a00dda4ce9",
    "signature": "0xb4030c618ba9434d4a5521816193aa39e4c884b10a2edb20518bde3acb180a8e65aead1310dd1bdc387b6456b8e97c0d1a4df7a1fb75f873592f24e8a1642ca71b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}