{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1271163",
    "entityType": "User",
    "nonce": "0x931d9741bd98d4887f4bc85986d4dd02cec22c33c588db3c4922a6e708bb8abb",
    "signature": "0xe25c573b77203c31cac65441bbc6a9b9b59c7ea3624c385ecf11538ecb6401a64b343cc973ef7b3cf37abbc638dbf3f9f71f2924321c40ad9e1434471035d77e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}