{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xa0b2eed8e811664a0fd1c3e35d42b90a437b6c538780fc226190a09f41777cde",
    "signature": "0xc5ed31ed3cf0f85864a416287cfd80ed27603f3a0590dc0495b5dd0776f974e87b4478d8a608fae9be01a4a51db06b90b0d80f6ca1f47a9d4dff291a2c67eb261b",
    "signer": "0x0A6CB80dD410547296a7c2262d3e7536654C7880",
    "userId": "644719910"
  }
}