{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0xd5bc8484d236733bd837a0d2bf6d617c4dc5bd4a774a702aad009839228c5408",
    "signature": "0xf6e989985fa9b632e2cb8e2782221cdb1057db70bb8691aa41ea1431eb4db4f904272fdbd9fca4e8085f6ab725c258a865923b78af3e87e78cddcca0dad7c8561b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}