{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0x789fedb8d85e53bb7c2bd552c54cd8e6b2f76c9b4a283de7c924018eaf4649e7",
    "signature": "0xfefff6ee7bc7d6184d1c09b35315796103dd0ff558b0a59b249ea1155c7b46755248bb17ae6acff6387f9c31fcfc85f46e4114f104de0b6dc772628802f2d1791c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}