{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56263",
    "entityType": "User",
    "nonce": "0xc54b5cc6c6b258a00fa49b1a27a8ea36896701d879ab46e6aec7ba2382430508",
    "signature": "0x359bc67296c3775d59f984ac7883b80c94c18c07a28263a9d5d22dd12f3770607f50829fd5546a87eb876f6049d03bb236352fa26896866074b050e3a3f763381b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}