{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212683",
    "entityType": "User",
    "nonce": "0xf4c28c7ead23fd0c202371aed00b95172897e6cac1d856afa2ed53f686dfff2a",
    "signature": "0xa133c4a47aea06857058776a7b34cffd991de8224e4c403f86cd213af37348f20eacb13ffc95974c44e195312533032145ed66722030c3b51cc5c5856cda56d61c",
    "signer": "0xF46B7D7a5c4Da4F495F9e3114A0CD75EcFEbaacA",
    "userId": "705062686"
  }
}