{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353286",
    "entityType": "User",
    "nonce": "0x14ffc4d04e4e05fcb0095f0b5083ef10bc0adf6e674e957a1491bb40523a7041",
    "signature": "0x2341d830a27c0a95b0440b49fe0ae0d1c78b5f070e5d05734cc41bdbab455a784d5d78fed673473a1c43d10a621be0a488c03fd3e751eeccebe878f6403ccbdb1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}