{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "778583001",
    "entityType": "User",
    "nonce": "0x00dbfaf56fac7129e335eeda39a3feb867d4431644a4d64cf7e5931ca0a5048b",
    "signature": "0xd7ecc6722db97b5d4b0ae507114feed3ad2827637141612c4d126579acc9f6cd08c4a3c62eacdfcc1f56e91860fe07b6848e944e5c27be8ab7cd0b92436b20f11b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}