{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5461",
    "entityType": "User",
    "nonce": "0x820fb910956ef5ed0d09aad6140128dca1fe670738964a099cc61a91bc63ac46",
    "signature": "0xcb6be2b65bac1137e5b760ae87a3d31898d6ede7428d28fbfcc05628f4cd10363cf6bd6d26f907d746047609b002b9feae5111f00a8d5dd5ff6c4345ccc9fde41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}