{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275858",
    "entityType": "User",
    "nonce": "0x8f128d10b82330edd8d52249605463b4c2c7063c7e768b22704ce34202f2fd0c",
    "signature": "0x19865305336492af15c75910871d791d4470da165f6a7be712322ab68f1e82c96ad97ee384bde8c0b709bc289e88d9e0f15866425f89f8c4c4aa3cad0ce0217f1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}