{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135233092",
    "entityType": "User",
    "nonce": "0x37b75ff04d6dd31fef2ff01834e8202d62cebe577c2712829f50bbab3b078187",
    "signature": "0x1ffaac707505a23fcb5710838aa11d33622076c829030bb4aa55516101c539d20e4c8cb48dd0c3cde6ad6b817871ab05d94107b35350ef78728f88ef588fe2e71b",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}