{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3167de0f32e126d885bf8b743267d2789462d9bb02447d8396bf56ccdbe1f774",
    "signature": "0x68ac08545462194cc02802639b5d281495b978a6e5ddf849793ea3e37dd92d6d3b18e58013d94376fa9123cc246c509c54ad6461497a3259fef2c4830b40318c1b",
    "signer": "0x12363B07f27899F5852425dC2902f076A0053ee5",
    "userId": "711916520"
  }
}