{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xd13d514a71d8bf7a0870f401a253a5e7da4bb9a565643833d63464347246e953",
    "signature": "0xc062f271ca7ebe36509778b055d81df834cde11c3de268a545b8e492da1e63591a7907ab292bd89cc6db9092aab8d81d8a83d41f18ec93dedb751b2c866e7c391b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}