{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xb2bc41d1bf6fc98d9d1a28555fdd2dfcabe5dad7750bb0e82c9406ad24e91b1f",
    "signature": "0x02a31c06c7b7c4facad45adf6703da3e45b34591b421b2212d9bcad0d32f5138253d50668d10df7db614cadb433fde04a443f6b9390d126f7fe1b32a190b40221c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}