{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774582",
    "entityType": "User",
    "nonce": "0x5b38b76a049912bb1f87e680b059f4e4fe93081322e09c1906444750c9d09884",
    "signature": "0x82a1659d372a4bebf64b3173b547c1bd3c6a5914e02ec8c5d4bd71d2d00f8b512894fd171c64454085db942c6051602ff38fe3dabc256e739cc24de6bee880d41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}