{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235658",
    "entityType": "User",
    "nonce": "0x082b4ecb2038dbcb0c82c5546b0a557dd18a562fedc89a0e3e90605668387401",
    "signature": "0x457e42b1a2745c96dfc8aa009aa09f2adef0fadabc1d10ed1bc4a05ed545641d7d9023d3d6fa9fbcfd86b6bf844297c06288173d5afaea12e37d1b30754f439d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}