{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x0e101055303114ac2995350b3998b32d7a7d42ce50d9fecc6a7d5f4c0497a30d",
    "signature": "0x06ca2713334710c6edb1ec3164e0fe653368d02a22c060a8780318f9237d1d6d13e9eae7190a4321ed59e453f72ba8650c11cf1e2c5d92ffdfef8487f39ab4f81b",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}