{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371888",
    "entityType": "User",
    "nonce": "0xe929188209057c8b546cc91e044c38228a21bb35b23b25eaaa155f6ca0543ef4",
    "signature": "0x2f631f97c5ce08831608547952d19687219b92235a6b8c77db6e916e5b164e3b6a99d1c9c0c1aace3e08841d58abbe85095d18ebfd27f767e191e66792c3f0aa1b",
    "signer": "0x113593f987a99eD745288b3fed7A719d5cC3c1bF",
    "userId": "29989384"
  }
}