{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53144",
    "entityType": "User",
    "nonce": "0x0dace409b9752177ed6c12ab5de5a6a88bf7cb64cd922ed6fda972a405c5e7c5",
    "signature": "0xd2177d6b1220b91f203b1e38fe0383aece08416a6f1992284f6cca40c025eca61f69d5507c36f5ad896f69913c01ded97a7de204e53cd3c3994b2e69896c74741c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}