{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253005",
    "entityType": "User",
    "nonce": "0xe8b712fb3c9bc08564c3ccb750b2bd1aa81a4db3f30d21f0863174f7792ce72f",
    "signature": "0x036431b8f6fee73b29b2afacc6e952cf7f5e81c2745d5f28d3966cc7ac2ea41525f31d14f03bb56951824219d6a7d8ccda84f8f20dc0d55bf6e0361d087821b31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}