{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222642",
    "entityType": "User",
    "nonce": "0xc204d6bcdf825fd18a986a951188a5c7a5021b385c6c9cd831757b880572f454",
    "signature": "0x2729a6d02bd7843c7e760352c7fa3d6aab7156027ce87830784606e0b1c265fc40fdc46bcac56393c24e9c7c1cb49345899e83c2eb85bf7c3ac06194a63599951b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}