{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55385",
    "entityType": "User",
    "nonce": "0xbc1a5f3a96dc76d7b55f0d8076c3e596344b7b7b275cc84d427613f8e74ee0c2",
    "signature": "0xfd621d900743e010e452431b001d5cb3e09353aba398343e32b41864bc4bb6ec37477689cd74a1d11820fd69f4f900f91239a5d81d1c56cf856a5e6cd01ba22f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}