{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632020",
    "entityType": "User",
    "nonce": "0x407781ed9838112c34ccd191380613cddaae71b74b902829023a444d787774e6",
    "signature": "0x134800e4d33cd9238db53e9967b4668196699716a9df390b5724af9ccc91c08733b6a2c06fa2392247da78a0e708361dfef5e8e0dd73344bbd414565935dc39d1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}