{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236599",
    "entityType": "User",
    "nonce": "0x45164f114017a3025bddd1eaf3a8c1f9c0c55f8aa35f0b2bb1743485a62bcf34",
    "signature": "0x7879bba6c774fe6f9994b158c4881c735846dbeb140d3b0940aaea4f9a94934679c89c5a8e3d333db03135e54be803cdebb48901f8f5601f246c1ecde79acb071b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}