{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78231",
    "entityType": "User",
    "nonce": "0x5e36abbfba014e4ca3fbc90f1131a6deafb0bfaceada29815f64bfe773b2aa54",
    "signature": "0xbe43d71881a14ebe555b21acabcd351468e16b56da530caa3c6129f80b475912348e2af5cdf9b64a7a0cd774dca711cd0cad0218afd297470a29b8e15cb6d6931c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}