{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xc8b43c5e15cdd33c8a07da1e0a08c49c52062f2a997203810ab411fa451180fb",
    "signature": "0x545a0c15556c99562bfdc46be322dcac3975f7bc69d90b98fe9d36d24c7c0dab70cc6271e4f3cf3afb6f449173193ef22d4b8ff71a7a778f59d40cc40070358b1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}