{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956323410",
    "entityType": "User",
    "nonce": "0x19f828a35302ff55f41b76749b22f233fd0b5d66841b8b51c249a62892058296",
    "signature": "0x026059f0a37b5e5e7e80f62b62ca928f4614b735702094962c9a76be7bd1bb1f4dcba70ecad1cae3486b297954d9c82ca98d00f5f4f5e528c0b3a7030f12e9c61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}