{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14469",
    "entityType": "User",
    "nonce": "0x64f97e6cd09880f79524fd19518b04f675d3655c0495a5c871f9d23ed7059335",
    "signature": "0x0946d48f80701b6f28fd3ee203d3c346ea30e9793f0ff7c33b00fe91f3943766015ea88cebffb04dd5b16cd657431bcf85e266f93bf87575c8ab9371a9236a6c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}