{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0xe1cfdaa3068644fcdeccbc995beac6c3dc493423f0a9e991e01659aa583d683c",
    "signature": "0x54dfc98bd717b58a0d91733e54b07bf42bb529c3840bc3b8d615d8adbd3218d00bbd5501c996a87122b4989d4ee30f74a2869744e9a4e357c6ab079ddca746371c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}