{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207918",
    "entityType": "User",
    "nonce": "0xf3fdf40a4c79db72f378dc63d381e366b5797bf1599d201f9249b9da173e2f14",
    "signature": "0x22372cd333515e75634bd66a4417da04d30c5c38c8fdcf059d62845e3e27616c02cec218da3595b3d9334b0d395f07aa227725e49ad5d5dbd02593f04173b32f1b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}