{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57782",
    "entityType": "User",
    "nonce": "0x9f6f3124f2fefa8122d131207275c2dcbbdfba7fedf86da40d33e5218cf7ec08",
    "signature": "0x6e4451d9c832acd72132300b89f01b5788b7ee79a291d57b7e40f16b9906704671009b30c42da3fe2699be9c083519c997db3ff2daac1159f33ea6d111fbf9ba1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}