{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41682",
    "entityType": "User",
    "nonce": "0xef83080a1e6ccd84b7a7c71fab46db656ea0f8b5d49771f230a77d55475db479",
    "signature": "0x27d9836042b44f8abfd0f824d1f82db9be513dab4d68bdcbeedbc1b20cd4397e73080bddcaf30703bf8ad08779c6daa0ef6672d1d9d27af1ac7696f1efc162551c",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}