{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39348",
    "entityType": "User",
    "nonce": "0x7c753ab2a0a15f538ba6f9c4ce109a535b9f6bb66f73d8f3f7d0eb5fb6713952",
    "signature": "0x98a86f10296d4c90241b2a944361096737542e4acebbbc515becd56b3e05ff4e76645cfebdf441c299e63bbaf032e8c177d9b853d6a2809a997780dcdfeee68c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}