{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54076",
    "entityType": "User",
    "nonce": "0x1be065c754be68a7d3ff64242f1f9890a511f926d1dff045c7a68a3c516a2b4b",
    "signature": "0x9047ca96d58dd0d0e429c57e678d547decbf9045322275caad2781152cd9ca162a3791a8f33d5e2d756cdfc9d6a84258307f38d8bbda6e160edc33b0961f57c51c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}