{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "536962",
    "entityType": "User",
    "nonce": "0x411304d1b6b3058c5260115bf9ef53cbd55d36c2ba7bef7dc110230019f7ff3e",
    "signature": "0x6f5e59b969525b729d402e79de3e32325bd0ebcd077c6248bc7ac8aca5a7b84365ad702888c31bb6ad05329a0e4857c7c6520bf4e74a1d4a819ba4c726561aec1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}