{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154011",
    "entityType": "User",
    "nonce": "0xfad51947556b0439845caf0355bff3523fc54abe1abbe712140b51c49cf16588",
    "signature": "0xd170aabfc920e891e6e718c553f3d2ea052adf16ff519a4a3e1f8036f0d0194b72e8ac8771a03a98764a6cbfd7b3866162cd65ea2346506930df9fa094e2f62c1c",
    "signer": "0x113593f987a99eD745288b3fed7A719d5cC3c1bF",
    "userId": "29989384"
  }
}