{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x732374c97a112f00c73ceea8880d3d273e50a1ca0834990d647cb526e42c5c7f",
    "signature": "0x9a42d64f748c94de95cab6aaabcdfebac8ca3366adb36e61c17a0eba9dc262e77190a3522f4a94e28c275b92f045757189d5a5d89acbe9a29486abb72349148a1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}