{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22128795",
    "entityType": "User",
    "nonce": "0x443be94bc71b7a473c842c26144a1163f8fe94c77cfb8fd545fdc4a2d8f68b8a",
    "signature": "0x2886d2148666939a518ca11c4c3d3532a9842531988a9c6020b58326245d8e3b5e198dfae1e97f983a78690bb09204182a32be41fcf6b41f92b23e03a44db06d1b",
    "signer": "0x02e544bf39dE2c9D6a681f40FCB033569EBe84bD",
    "userId": "412824318"
  }
}