{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171594868",
    "entityType": "User",
    "nonce": "0x4d0303df1240a93f3d92c1df6be7e93cdc065aa9529081a1740c81b3d1bffca1",
    "signature": "0x1d10a45eec362cbfbe79c43361355e0eaec4a10f4f9e62d2b00dadacb1ebc525191441470032f07e8cbdbe7d30b77e541c312bf3b390663b48c74ac9d87d28561c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}