{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49515",
    "entityType": "User",
    "nonce": "0x75cbf16aefee07b46c22bd58de8b8ca0dd4f845eae5e831150c55c939cbd640c",
    "signature": "0x5a75cc0bbc9756c00abbb815b428bc31883247719f2500fd522ef46db9627a6a47cd0b00c536ff66bfa5748bcc223b830312f0862e25327585fa13fb292e15fe1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}