{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xaaf32d670f5d3945ab2ee820409631bdf47d901b9b3caca4f161712195f68719",
    "signature": "0x7d6985acad81abfc41d832ffda4653ae24c487ea5af83918b8494d3328861e2a40c5f61a84564754fd338600af3c8ccdee93fa488cf3c9cf536165dc9b7bf9261c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}