{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132962",
    "entityType": "User",
    "nonce": "0x3f27557c0f5d3f05487f4d64df8182633a0fe7420c08767251e94102fd1adaac",
    "signature": "0x44ce80ec3fd459eea048cddd738beed240a887a9106bc47f9fd304ebb8e0a96a6c62a97cd02518435da1e69d57cef67c53ca760f09180e81266624c3f6d813331b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}