{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x392a78ded41aa7b970a7644a0141d6ef4a7773f3858d168fc0fd012b5ad22f8c",
    "signature": "0xe9f6e8283ec164d375b44b326445bdc6d00710bd6efd3acde6e6a8dbcc53ba911eddf2916e275c9af7c5b8c5b05b4c1d4835eae9f972fbc77b9c4ea488f41c301b",
    "signer": "0xEC8b66252F8C4387beB60Bf8700DfFB53f28d877",
    "userId": "391278306"
  }
}