{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329160",
    "entityType": "User",
    "nonce": "0xeadf193992d389d6412350630eeb793b0e8968920c7be09cfe43efcfe4ed77f8",
    "signature": "0xad12f173a749521bf653082898e4dbe7e9d4940c395859a838d000d2f16581a1790a6ccd11653e05bd94519f84ad6ecafb5cacf3fb050946b0a6cd1f2f4e317d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}