{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962229317",
    "entityType": "User",
    "nonce": "0xe8af69f1f31e01d4691afdc8a5f6f60ab2a719ac8d32822835426694453c8cd5",
    "signature": "0xc9b6560e1ede63ed233a35be352b75a5de68cc2b874d401530062742d8eedecc55b9d89aecf0ca3df2c30f8c7ff9bea85cfd7f4890650cd3d400b65fb7d9fc691b",
    "signer": "0x53adF2804c4b0caF62EE0Cb2f679c7e108930bC5",
    "userId": "806027782"
  }
}