{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54280",
    "entityType": "User",
    "nonce": "0x6ccf600bf997bb5f956d0d143123147d326e5ac74346546bcd5c6416b1864715",
    "signature": "0x066dbe6a3407fb1b8a178698cbccc07b105bd1d9577f809517a3dad5ca75e8d71a67f7e0211ee0f8f8756d7e6aec52573c9efd5eb5731ea621f35075d23877d81b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}